package c.main.util;

import java.util.IdentityHashMap;

/**
 * Author: chengwei
 * Date:   2016/3/15
 * Time:   10:31
 */
public class StringUtils {
    
    public static boolean isNullOrEmpty(String s) {
        return "".equals(s) || s == null;       
    }
    
    public static boolean isNotEmpty (String s) {
        return !isNullOrEmpty(s);
    }
}
